Press slide adjusting and overload protection assembly

Claim 2

A slide adjustment and overload protection assembly for a press including a slide having an axis and driven means to axially reciprocate said slide, said assembly comprising, first and second members coaxial with said slide and connectable one to said slide and the other to said driven means, and interengaging means on said first and second members supporting said members for axial sliding movement relative to one another between normal and overload positions, said interengaging means including adjusting means interconnected with said second member for axial adjustment relative thereto, and overload responsive means interposed between said adjusting means and said first member releaseably holding said members in said normal position, said overload responsive means including a housing removably mounted between said adjusting means and said first member, shearable metal means removably supported by said housing, and shearing member means separate from said shearable metal means and removably supported by said housing, said housing, shearable metal means and shearing member means being removable as a unit from between said adjusting means and said first member.

Claim 3

The assembly according to claim 1, and detecting means actuated by movement of said members from said normal toward said overload position.

Claim 4

The assembly according to claim 1, wherein said adjusting means is ring means threadedly interconnected with said second member, said interengaging means further including stop means on said first member axially engaging said ring means when said first and second members are in said normal position.

Claim 5

The assembly according to claim 3, wherein said ring means includes cooperable adjusting and locking ring members.

Claim 6

A slide adjustment and overload protection assembly for a press including a slide having an axis and driven means to axially reciprocate said slide, said assembly comprising, first and second members coaxial with said slide and connectable one to said slide and the other to said driven means, and interengaging means on said first and second members supporting said members for axial sliding movement relative to one another between normal and overload positions, said interengaging means including adjusting means interconnected with said second member for axial adjustment relative thereto, and overload responsive means interposed between said adjusting means and said first member releaseably holding said members in said normal position, said adjusting means being ring means threadedly interconnected with said second member, said interengaging means further including stop means on said first member axially engaging said ring means when said first and second members are in said normal position, said first member including shoulder means axially spaced from said stop means, and said overload responsive means being interposed between said ring means and said shoulder means.

Claim 7

A slide adjustment and overload protection assembly for a press including a slide having an axis and driven means to axially reciprocate said slide, said assembly comprising, first and second members coaxial with said slide and connectable one to said slide and the other to said driven means, and interengaging means on said first and second members supporting said members for axial sliding movement relative to one another between normal and overload positions, said interengaging means including adjusting means interconnected with said second member for axial adjustment relative thereto, and overload responsive means interposed between said adjusting means and said first member releaseably holding said members in said normal position, said adjusting means being ring means threadedly interconnected with said second member, said interengaging means further including stop means on said first member axially engaging said ring means when said first and second members are in said normal position, said first member including shoulder means axially spaced from said stop means, and said overload responsive means being interposed between said ring means and said shoulder means.

Claim 8

The assembly according to claim 5, wherein said overload responsive means includes shearable metal means and shearing member means removably mounted between said ring means and shoulder means.

Claim 9

A slide adjustment and overload protection assembly for a press including a slide having an axis and driven means to axially reciprocate said slide, said assembly comprising, first and second members coaxial with said slide and connectable one to said slide and the other to said driven means, and interengaging means on said first and second members supporting said members for axial sliding movement relative to one another between normal and overload positions, said interengaging means including adjusting means interconnected with said second member for axial adjustment relative thereto, and overload responsive means interposed between said adjusting means and said first member releaseably holding said members in said normal position, said adjusting means being ring means threadedly interconnected with said second member, said interengaging means further including stop means on said first member axially engaging said ring means when said first and second members are in said normal position, said fist member being tubular and having a mounting end and a second end, said second member having a mounting end and an inner end telescopically received in said second end of said first member, said ring means being on said second member between said mounting and inner ends thereof and projecting radially outwardly of said second member, said stop means being radially inwardly extending flange means on said second end of said first member.

Claim 10

A slide adjustment and overload protection assembly for a press including a slide having an axis and driven means to axially reciprocate said slide, said assembly comprising, first and second members coaxial with said slide and connectable one to said slide and the other to said driven means, and interengaging means on said first and second members supporting said members for axial sliding movement relative to one another between normal and overload positions, said interengaging means including adjusting means interconnected with said second member for axial adjustment relative thereto, and overload responsive means interposed between said adjusting means and said first member releaseably holding said members in said normal position, said adjusting means being ring means threadedly interconnected with said second member, said interengaging means further including stop means on said first member axially engaging said ring means when said first and second members are in said normal position, said fist member being tubular and having a mounting end and a second end, said second member having a mounting end and an inner end telescopically received in said second end of said first member, said ring means being on said second member between said mounting and inner ends thereof and projecting radially outwardly of said second member, said stop means being radially inwardly extending flange means on said second end of said first member.

Claim 11

The assembly according to claim 7, wherein said first member has diametrically opposed openings between said mounting and second ends thereof, each said opening providing a shoulder axially spaced from said flange means, said overload responsive means including an overload responsive assembly removably mounted between said ring means and each said shoulder.

Claim 12

The assembly according to claim 8, wherein each said overload responsive assembly includes axially opposed shearable metal means and shearing member means.

Claim 13

The assembly according to claim 9, wherein said metal means is a planar plate and said shearing member means is a plunger, said overload responsive assembly further including housing means having axially opposite sides and an axial opening therethrough, said housing means including means to support said plate transverse to said opening and between said opposite sides, and said plunger including an inner end received in said opening from one of said opposite sides and abutting said plate and an outer end extending outwardly from said one side of said housing means.

Claim 14

A slide adjustment and overload protection assembly for a press including a slide having an axis and coaxial driven means to axially reciprocate said slide, said assembly comprising hollow housing means coaxial with said slide and having a first end for connection with said driven means and an open second end axially spaced from said first end toward said slide, sleeve means coaxial with said housing means and having an inner end slidably received in said second end of said housing means and an outer end for connection with said slide, adjusting ring means surrounding said sleeve means within said housing means and threadedly interengaged with said sleeve means for adjustment axially of said sleeve means, said housing means including stop means at said second end extending radially inwardly of said sleeve means and engaged by said ring means to limit linear displacement of said sleeve means axially outwardly of said second end, said housing means including means providing shoulder means axially spaced from said stop means, said shoulder means and ring means being axially spaced apart when said ring means engages said stop means, and overload responsive means interposed between said ring means and shoulder means releaseably holding said ring means against said stop means.

Claim 15

A slide adjustment and overload protection assembly for a press including a slide having an axis and coaxial driven means to axially reciprocate said slide, said assembly comprising hollow housing means coaxial with said slide and having a first end for connection with said driven means and an open second end axially spaced from said first end toward said slide, sleeve means coaxial with said housing means and having an inner end slidably received in said second end of said housing means and an outer end for connection with said slide, adjusting ring means surrounding said sleeve means within said housing means and threadedly interengaged with said sleeve means for adjustment axially of said sleeve means, said housing means including stop means at said second end extending radially inwardly of said sleeve means and engaged by said ring means to limit linear displacement of said sleeve means axially outwardly of said second end, said housing means including means providing shoulder means axially spaced from said stop means, said shoulder means and ring means being axially spaced apart when said ring means engages said stop means, and overload responsive means interposed between said ring means and shoulder means releaseably holding said ring means against said stop means.

Claim 16

The assembly according to claim 11, wherein said overload responsive means includes shearable metal means and corresponding shearing member means.

Claim 17

The assembly according to claim 12, wherein said overload responsive means further includes means removably supporting said metal means and shearing member means between said ring means and shoulder means.

Claim 18

The assembly according to claim 12, wherein said shoulder means includes shoulders at diametrically opposed locations on said housing means and said overload responsive means includes two of said shearable metal means and corresponding shearing member means each disposed in one of said diametrically opposed locations.

Claim 19

The assembly according to claim 11, and switch means mounted on said housing means and actuable in response to release of said ring means and linear movement of said sleeve means axially inwardly of said housing means.

Claim 20

The assembly according to claim 11, wherein said ring means includes an adjusting ring member and a locking ring member.

Claim 21

The assembly according to claim 11, wherein said overload responsive means includes a pair of shear fixtures removably mounted between said shoulder means and ring means at diametrically opposed locations with respect to said housing means, each said shear fixture including shearable metal plate means and corresponding shearing plunger means.

Claim 22

The asembly according to claim 17, wherein each said shear fixture further includes a housing having axially opposite sides, a pair of openings therethrough between said sides and a pair of slots intermediate said opposite sides and each transversely intersecting one of said openings, said metal plate means including a planar metal plate in each of said slots, and said plunger means including a plunger member received in each of said openings from one of said opposite sides and having an inner end abutting the corresponding plate and an outer end spaced from said one side.